Home / 896,857,891.20-1,345,286,836.80-822,030,998.40

Finding the Fourth Proportional to 896,857,891.20, 1,345,286,836.80 and 822,030,998.40

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Solution

The fourth proportional to 896,857,891.20, 1,345,286,836.80 and 822,030,998.40 is: 1,233,046,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,857,891.20 : 1,345,286,836.80 = 822,030,998.40 : x
  2. Step 2: Convert to fraction form
    896,857,891.20/1,345,286,836.80 = 822,030,998.40/x
  3. Step 3: Cross multiply
    896,857,891.20x = 1,345,286,836.80 × 822,030,998.40
  4. Step 4: Simplify right side
    896,857,891.20x = 1,105,867,481,589,081,728
  5. Step 5: Solve for x
    x = 1,105,867,481,589,081,728/896,857,891.20
  6. Step 6: Final answer
    x = 1,233,046,497.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.